const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const lessMiddleware = require('less-middleware');
const logger = require('morgan');
const cors = require("cors")

const indexRouter = require('./routes/index');

const app = express();
// 资源公共
app.use(cors())

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(lessMiddleware(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, 'public')));

// 首页路由
app.use('/', indexRouter);
// cake网站前端页面 路由
app.use('/api', require('./routes/api/api'))
// cake网站后端页面，路由
app.use('/admin', require('./routes/admin/admin'))


// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

// 双向数据通信
require('./utils/websocket_server')()
require('./utils/websocket_chat')()

module.exports = app;
